Segment Reporting (Tables)

12 Months Ended

Jan. 31, 2025

Segment Reporting [Abstract]

Company's Revenue by Geographic Region Based on Bill-to Location

The following table sets forth the Company’s revenue by geographic region based on bill-to location for the periods indicated.

	Year Ended January 31,
	2025		2024		2023
	(in thousands)
Taiwan	$	179,324	$	119,601	$	191,692
Asia Pacific other than Taiwan		61,663		58,506		73,476
Europe		22,778		11,949		26,921
North America other than United States		18,074		25,754		32,901
United States		3,026		10,664		12,616
Total revenue	$	284,865	$	226,474	$	337,606

Summary of Significant Segment Expense Included in Consolidated Net Loss

The following table presents the significant segment expenses included in the consolidated net loss for the periods indicated:

	Year Ended January 31,
	2025			2024			2023
	(in thousands)
Total revenue	$	284,865		$	226,474		$	337,606
Less cost and expense:
Product cost		106,237			83,221			122,046
Employee-related		115,188			110,601			109,444
Stock-based compensation		108,043			111,316			111,158
Chip development NRE		28,049			24,680			19,684
Tools & equipment		26,089			23,202			21,559
Professional services		14,359			13,012			13,692
Facilities-related		10,765			10,983			10,329
Other segment items (a)		1,988			26,713			(2,817	)
Interest income		(8,727	)		(7,837	)		(2,103	)
Net loss	$	(117,126	)	$	(169,417	)	$	(65,386	)

(a) The other segment items include amortization of intangible assets acquired from business combinations, non-operating (income) expenses, income tax provision (benefit) and other immaterial items.